4546 search results - page 843 / 910 » Data Management in the APPA System |
SIGMETRICS
2003
ACM
14 years 3 months ago
2003
ACM
In main-memory databases, the number of processor cache misses has a critical impact on the performance of the system. Cacheconscious indices are designed to improve performance b...
WIDM
2003
ACM
14 years 3 months ago
2003
ACM
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
CIKM
2003
Springer
14 years 3 months ago
2003
Springer
XML parsing is generally known to have poor performance characteristics relative to transactional database processing. Yet, its potentially fatal impact on overall database perfor...
PODS
2010
ACM
14 years 3 months ago
2010
ACM
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
PODS
2010
ACM
14 years 3 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...